portainer/api/http/handler/kubernetes/metrics.go

249 lines
7.7 KiB
Go

package kubernetes
import (
"net/http"
portainer "github.com/portainer/portainer/api"
httperror "github.com/portainer/portainer/pkg/libhttp/error"
"github.com/portainer/portainer/pkg/libhttp/request"
"github.com/portainer/portainer/pkg/libhttp/response"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// @id getKubernetesMetricsForAllNodes
// @summary Get a list of nodes with their live metrics
// @description Get a list of nodes with their live metrics
// @description **Access policy**: authenticated
// @tags kubernetes
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce json
// @param id path int true "Environment (Endpoint) identifier"
// @success 200 {object} v1beta1.NodeMetricsList "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /kubernetes/{id}/metrics/nodes [get]
func (handler *Handler) getKubernetesMetricsForAllNodes(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return httperror.BadRequest(
"Invalid environment identifier route variable",
err,
)
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find an environment with the specified identifier inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find an environment with the specified identifier inside the database", err)
}
cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
if err != nil {
return httperror.InternalServerError(
"failed to create metrics KubeClient",
nil,
)
}
metrics, err := cli.MetricsV1beta1().NodeMetricses().List(r.Context(), v1.ListOptions{})
if err != nil {
return httperror.InternalServerError(
"Failed to fetch metrics",
err,
)
}
return response.JSON(w, metrics)
}
// @id getKubernetesMetricsForNode
// @summary Get live metrics for a node
// @description Get live metrics for a node
// @description **Access policy**: authenticated
// @tags kubernetes
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce json
// @param id path int true "Environment (Endpoint) identifier"
// @param name path string true "Node identifier"
// @success 200 {object} v1beta1.NodeMetrics "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /kubernetes/{id}/metrics/nodes/{name} [get]
func (handler *Handler) getKubernetesMetricsForNode(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return httperror.BadRequest(
"Invalid environment identifier route variable",
err,
)
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find an environment with the specified identifier inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find an environment with the specified identifier inside the database", err)
}
cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
if err != nil {
return httperror.InternalServerError(
"failed to create metrics KubeClient",
nil,
)
}
nodeName, err := request.RetrieveRouteVariableValue(r, "name")
if err != nil {
return httperror.BadRequest(
"Invalid node identifier route variable",
err,
)
}
metrics, err := cli.MetricsV1beta1().NodeMetricses().Get(
r.Context(),
nodeName,
v1.GetOptions{},
)
if err != nil {
return httperror.InternalServerError(
"Failed to fetch metrics",
err,
)
}
return response.JSON(w, metrics)
}
// @id getKubernetesMetricsForAllPods
// @summary Get a list of pods with their live metrics
// @description Get a list of pods with their live metrics
// @description **Access policy**: authenticated
// @tags kubernetes
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce json
// @param id path int true "Environment (Endpoint) identifier"
// @param namespace path string true "Namespace"
// @success 200 {object} v1beta1.PodMetricsList "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /kubernetes/{id}/metrics/pods/{namespace} [get]
func (handler *Handler) getKubernetesMetricsForAllPods(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return httperror.BadRequest(
"Invalid environment identifier route variable",
err,
)
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find an environment with the specified identifier inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find an environment with the specified identifier inside the database", err)
}
cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
if err != nil {
return httperror.InternalServerError(
"failed to create metrics KubeClient",
nil,
)
}
namespace, err := request.RetrieveRouteVariableValue(r, "namespace")
if err != nil {
return httperror.BadRequest(
"Invalid namespace identifier route variable",
err,
)
}
metrics, err := cli.MetricsV1beta1().PodMetricses(namespace).List(r.Context(), v1.ListOptions{})
if err != nil {
return httperror.InternalServerError(
"Failed to fetch metrics",
err,
)
}
return response.JSON(w, metrics)
}
// @id getKubernetesMetricsForPod
// @summary Get live metrics for a pod
// @description Get live metrics for a pod
// @description **Access policy**: authenticated
// @tags kubernetes
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce json
// @param id path int true "Environment (Endpoint) identifier"
// @param namespace path string true "Namespace"
// @param name path string true "Pod identifier"
// @success 200 {object} v1beta1.PodMetrics "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /kubernetes/{id}/metrics/pods/{namespace}/{name} [get]
func (handler *Handler) getKubernetesMetricsForPod(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return httperror.BadRequest(
"Invalid environment identifier route variable",
err,
)
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find an environment with the specified identifier inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find an environment with the specified identifier inside the database", err)
}
cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
if err != nil {
return httperror.InternalServerError(
"failed to create metrics KubeClient",
nil,
)
}
namespace, err := request.RetrieveRouteVariableValue(r, "namespace")
if err != nil {
return httperror.BadRequest(
"Invalid namespace identifier route variable",
err,
)
}
podName, err := request.RetrieveRouteVariableValue(r, "name")
if err != nil {
return httperror.BadRequest(
"Invalid pod identifier route variable",
err,
)
}
metrics, err := cli.MetricsV1beta1().PodMetricses(namespace).Get(
r.Context(),
podName,
v1.GetOptions{},
)
if err != nil {
return httperror.InternalServerError(
"Failed to fetch metrics",
err,
)
}
return response.JSON(w, metrics)
}